21
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16
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10
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16
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17
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16
21
21
20
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16
21
21
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20
21
21
21
21
16
20
16
21
21
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16
9
21
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11
21
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12
16
16
10
12
10
20
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12
21
16
20
21
21
21
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21
10
21
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20
21
21
21
21
21
21
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21
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21
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21
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18
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21